Siemens SENTRON 5SY4314-7, 3-pole miniature circuit breaker, 0.3 A rated current, C-curve trip characteristic, 10 kA breaking capacity per EN 60898, 35 kA per IEC 60947-2, DIN rail mount.
| Parameter | Value |
|---|---|
| Overvoltage category | III |
| Parameter | Value |
|---|---|
| Width | 54 mm |
| Height | 90 mm |
| Depth | 76 mm |
The 5SY4314-7: This means it trips at 5–10 times the rated current (1.5–3.0 A magnetic trip), making it suitable for protecting control transformers, relay coils, and signal circuits where inrush is moderate but short-circuit protection still needs to be fast.
The 0.3 A rating is at 35 °C ambient. Budget the derating at the design stage, not after commissioning.
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Alternative models and sibling configurations in the same Siemens series. For obsolete or discontinued parts, these models can serve as compatible replacements or functional alternatives for plant maintenance.
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